use indexOf instead of startsWith to support browsers that don't have startsWith
use indexOf instead of startsWith to support browsers that don't have startsWith

jeremylarner/ringteki,samuellinde/throneteki,DukeTax/throneteki,cryogen/throneteki,cryogen/throneteki,cryogen/gameteki,jbrz/throneteki,DukeTax/throneteki,Antaiseito/throneteki_for_doomtown,jbrz/throneteki,samuellinde/throneteki,gryffon/ringteki,jeremylarner/ringteki,Antaiseito/throneteki_for_doomtown,gryffon/ringteki,jeremylarner/ringteki,ystros/throneteki,gryffon/ringteki,cryogen/gameteki